package org.hyl.javabase.集合扩展;

import java.util.List;

//实验arraylist 增删改查
public interface sql {
	 public void select(int i);
	 public void selectall();
	 public void insert(Object o);
	 public Object get();	
	 public void update(int i,Object o);
	 public void delete(int i);
	 public int size();
	
}
